Forces, Fluids and Density

Density: https://bbtest.edonline.sk.ca/webapps/moe-curriculum-BBLEARN/index.jsp?view=outcomes&lang=en&XML=science_8.xml - curriculum

http://videos.howstuffworks.com/hsw/5897-scientific-method-measuring-density-video.htm- measuring density video

http://www.youtube.com/watch?v=VDSYXmvjg6M- bouyancy and density video

http://www.visionlearning.com/library/module_viewer.php?mid=37- density notes
http://www.cbc.ca/quirks/media/2003-2004/mp3/qq-2004-01-24d.mp3 - new state of matter podcast, supersolid
http://www.chem4kids.com/files/matter_plasma.html - plasma, a fourth state of matter
http://www.plasmas.org/ - perspectives on plasma
http://science.howstuffworks.com/lightning.htm - how lightening works